Nanostructured tin oxide: Synthesis and gas-sensing properties

R. S. Niranjan, Y. K. Hwang, D. K. Kim, S. H. Jhung, J. S. Chang, I. S. Mulla

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

Pure and Ru-doped nanostructured SnO2 sensing materials were synthesized using a modified Pechini route. Incorporation of Ru in SnO 2 results in the reduction of particle size (8.3 nm) compared with that of the pure SnO2 (28.2 nm). Moreover, the sensor exhibited a reasonably good sensitivity towards both H2 and liquified petroleum gas (LPG). The effect of Ru incorporation, operating temperature, and gas concentration on the structure, morphology, and sensitivity is discussed using the results of X-ray diffraction (XRD), and scanning electron microscopy (SEM) along with sensing performance.

Original languageEnglish
Pages (from-to)384-388
Number of pages5
JournalMaterials Chemistry and Physics
Volume92
Issue number2-3
DOIs
StatePublished - 15 Aug 2005

Keywords

  • Hydrogen and hydrocarbon sensor
  • Nanostructure
  • Ruthenium
  • Tin oxide

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